OpenTechnical

OT-2026-000103829

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000103829) never changes.

Identity and time

Publication numberOT-2026-000103829 · never reused
Internal UUID01a0aea4-e463-72e3-b074-ee7f9a5d557f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103829
StatusPUBLIC

Content hashes

Canonical text3f821bf640dec6399ae6193d7060cdafeced35386dc7db5b545576ed3c352096
Markdown05e887c6d103dbd84fee02f23e96c0dab662abc1afe73abe035e305f170ce578
PDF
Publication page0fd51547946f867226b3a8a81d1ac44e36e7476a8da8030cb56b0d65c2b4bd80
Manifest80f6f42ee797700b85fda9de9c8731d0af71dc626234cb367480f52b36feb793

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureZ965T+MDldtXSkbnVRjhNL/+K6lZBr31kTDiKj9Wir6ZlLI8LRjbjTk/wzqO8RE1E25gjC9hmamqEDtHq4ZfCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:47.249409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103829
observed 0fd51547946f867226b3a8a81d1ac44e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.232411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103829/manifest.json
observed 80f6f42ee797700b85fda9de9c8731d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.216829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103829/publication.md
observed 05e887c6d103dbd84fee02f23e96c0da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.199769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103829/publication.txt
observed 3f821bf640dec6399ae6193d7060cdaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.